<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      width: 100px;height: 100px;border: 1px solid red;
    }
    span{
      border: 1px solid blue;
      /*行内元素不能修改宽高,如果需要更改行内元素宽高
      可以将元素改成其它显示方式（块级或行内块）*/
        display: inline-block;
      width: 100px;
      height: 100px;
    }
    img{
        width: 100px;
        height: 100px;
    }
    a{
        background-color: #0aa1ed;
        width: 132px;height: 40px;
        /*超链接是行内元素，需要改成其它显示方式才能修改宽高*/
        display: block;
        text-align: center;
        line-height: 40px;
        color: white;
        text-decoration: none;
        font-size: 20px;
        /*设置圆角*/
        border-radius: 3px;
    }
  </style>
</head>
<body>
<a href="https://wallhaven.cc/search?q=pure&categories=101&purity=110&topRange=1y&sorting=toplist&order=desc">查看详情</a>
<img src="../b.jpg" alt="">
<img src="../b.jpg" alt="">
<img src="../b.jpg" alt="">
<div>div1</div>
<div>div2</div>
<div>div3</div>
<span>span1</span>
<span>span2</span>
<span>span3</span>
</body>
</html>